chore(deps): update dependency jsdoc-region-tag to v3

[renovate-bot]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
jsdoc-region-tag	^2.0.0 -> ^3.0.0

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Release Notes

googleapis/jsdoc-region-tag (jsdoc-region-tag)

### [`v3.0.0`](https://togithub.com/googleapis/jsdoc-region-tag/blob/HEAD/CHANGELOG.md#300-2023-08-10) [Compare Source](https://togithub.com/googleapis/jsdoc-region-tag/compare/v2.0.1...v3.0.0) ##### ⚠ BREAKING CHANGES - upgrade to Node 14 ([#​126](https://togithub.com/googleapis/jsdoc-region-tag/issues/126)) ##### Miscellaneous Chores - Upgrade to Node 14 ([#​126](https://togithub.com/googleapis/jsdoc-region-tag/issues/126)) ([76629d1](https://togithub.com/googleapis/jsdoc-region-tag/commit/76629d1cb4bd93ee3177edb6e54ce7f3e935787d))

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